Instrumentation bridges debut

North Hills has announced a line of instrumentation bridges that measure the transverse or differential signal resulting from the application of a longitudinal or common-mode signal to a balanced network. "The LBB series uses a patented magnetic circuit to achieve an essentially frequency-independent inherent balance that exceeds 60 dB at 300 MHz," said Richard Schwarz, North Hills GM. He explained that the new bridges, used in conjunction with 50-Ω network analyzers, support measurement of longitudinal conversion loss (the ratio of the differential response voltage to the applied common-mode voltage) of twisted pair networks. North Hills, www.northhills-sp.com.